Identity, social cohesion, changes in local population and community,
Illegal activities,
Management systems/ management plan,
Water (rain/water table),
Other Threats: Continuous deterioration of earthen architecture structures and decorated surfaces from lack of conservation and maintenance practices

Identity, social cohesion, changes in local population and community,
Land conversion,
Legal framework,
Management systems/ management plan,
Storms,
Water (rain/water table),
Other Threats: Fragility of the abdobe structures

Effects arising from use of transportation infrastructure,
Management systems/ management plan,
Other Threats: a) Lack of maintenance of historic buildings;
b) Use of reinforced concrete in the centre of town

Fire (widlfires),
Ground transport infrastructure,
Management systems/ management plan,
Other Threats: Accident of a crane which damaged one of the most important monuments at Machu Picchu, the Intihuatana or stone sundial

Deliberate destruction of heritage,
Earthquake,
Effects arising from use of transportation infrastructure,
Flooding,
Identity, social cohesion, changes in local population and community,
Other Threats: Material decay and abandonment of buildings, as well as the effect of heavy traffic on historic buildings

Crop production,
Effects arising from use of transportation infrastructure,
Illegal activities,
Livestock farming / grazing of domesticated animals,
Mining,
Other Threats: Lack of systematic monitoring of the site

* :
The threats indicated are listed in alphabetical order; their order does not constitute a classification according to the importance of their impact on the property.
Furthermore, they are presented irrespective of the type of threat faced by the property, i.e. with specific and proven imminent danger (“ascertained danger”) or with threats which could have deleterious effects on the property’s Outstanding Universal Value (“potential danger”).